Cross-Site Scripting Vulnerability in Open WebUI by Open WebUI
CVE-2026-45346

5.1MEDIUM

Key Information:

Vendor

Open-webui

Status
Open-webui
Vendor
CVE Published:
15 May 2026

What is CVE-2026-45346?

Open WebUI, a self-hosted AI platform designed for offline operation, contains a Cross-Site Scripting vulnerability in its SVG renderer prior to version 0.6.31. This flaw can be exploited to execute arbitrary scripts in the context of the user's browser, potentially exposing sensitive data or allowing unauthorized actions. Users are recommended to upgrade to version 0.6.31 or later to mitigate this risk.

Affected Version(s)

open-webui < 0.6.31

References

https://github.com/open-webui/open-webui/security/advisor...
x_refsource_CONFIRM

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.